EP0243170A3 - Semiconductor laser apparatus - Google Patents
Semiconductor laser apparatus Download PDFInfo
- Publication number
- EP0243170A3 EP0243170A3 EP87303534A EP87303534A EP0243170A3 EP 0243170 A3 EP0243170 A3 EP 0243170A3 EP 87303534 A EP87303534 A EP 87303534A EP 87303534 A EP87303534 A EP 87303534A EP 0243170 A3 EP0243170 A3 EP 0243170A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- semiconductor laser
- laser apparatus
- semiconductor
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1359—Single prisms
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02255—Out-coupling of light using beam deflecting elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optical Head (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61092410A JPH0719394B2 (en) | 1986-04-23 | 1986-04-23 | Semiconductor laser device |
JP92410/86 | 1986-04-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0243170A2 EP0243170A2 (en) | 1987-10-28 |
EP0243170A3 true EP0243170A3 (en) | 1989-08-30 |
EP0243170B1 EP0243170B1 (en) | 1992-01-22 |
Family
ID=14053642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87303534A Expired - Lifetime EP0243170B1 (en) | 1986-04-23 | 1987-04-22 | Semiconductor laser apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US4772784A (en) |
EP (1) | EP0243170B1 (en) |
JP (1) | JPH0719394B2 (en) |
KR (1) | KR950001875B1 (en) |
CA (1) | CA1277406C (en) |
DE (1) | DE3776186D1 (en) |
HK (1) | HK119395A (en) |
SG (1) | SG3995G (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4906839A (en) * | 1986-05-01 | 1990-03-06 | Pencom International Corp. | Hybrid surface emitting laser and detector |
US4905216A (en) * | 1986-12-04 | 1990-02-27 | Pencom International Corporation | Method for constructing an optical head by varying a hologram pattern |
JP2508478B2 (en) * | 1987-02-06 | 1996-06-19 | ソニー株式会社 | Optical head |
JPS63220432A (en) * | 1987-03-10 | 1988-09-13 | Toshiba Corp | Optical head |
US5164930A (en) * | 1990-07-25 | 1992-11-17 | Pioneer Electronic Corporation | Optical pickup |
US5350917A (en) * | 1991-12-27 | 1994-09-27 | Sony Corporation | Opto-magnetic recording polarization optical apparatus including a laser diode and a light absorbing film |
US5319182A (en) * | 1992-03-04 | 1994-06-07 | Welch Allyn, Inc. | Integrated solid state light emitting and detecting array and apparatus employing said array |
US5285062A (en) * | 1992-04-14 | 1994-02-08 | Hoetron, Inc. | Laser/detector hybrid with mirror source and diffracted return beam |
DE59308228D1 (en) * | 1993-12-22 | 1998-04-09 | Siemens Ag | Transmitter and receiver module for bidirectional optical message and signal transmission |
US5508625A (en) * | 1994-06-23 | 1996-04-16 | The Boeing Company | Voltage stand off characteristics of photoconductor devices |
US5874722A (en) | 1994-07-19 | 1999-02-23 | Spectra-Physics Scanning Systems, Inc. | Compact scanner module mountable to pointing instrument |
SE506654C2 (en) * | 1994-09-16 | 1998-01-26 | Sitek Electro Optics Ab | Position-sensitive photodetector with eliminated effect of jet light |
JP3438365B2 (en) * | 1994-11-29 | 2003-08-18 | ソニー株式会社 | Composite optical device and method of manufacturing the same |
US6185239B1 (en) * | 1997-01-22 | 2001-02-06 | Sony Corporation | Semiconductor laser device |
US9737060B1 (en) * | 2017-02-23 | 2017-08-22 | Jeffrey Racho | Fishing apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029755A1 (en) * | 1979-11-21 | 1981-06-03 | Thomson-Csf | Stigmatic optical device for transmission/reception of coherent radiation and an optical read/write head including such a device |
GB2165694A (en) * | 1984-10-16 | 1986-04-16 | Sony Corp | Semiconductor laser devices |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3513316A (en) * | 1967-12-07 | 1970-05-19 | Block Engineering | Atr device having transparent slab on which is deposited an ultra-thin photocathode |
US3969751A (en) * | 1974-12-18 | 1976-07-13 | Rca Corporation | Light shield for a semiconductor device comprising blackened photoresist |
-
1986
- 1986-04-23 JP JP61092410A patent/JPH0719394B2/en not_active Expired - Lifetime
-
1987
- 1987-04-14 CA CA000534645A patent/CA1277406C/en not_active Expired - Lifetime
- 1987-04-21 KR KR1019870003798A patent/KR950001875B1/en not_active IP Right Cessation
- 1987-04-22 DE DE8787303534T patent/DE3776186D1/en not_active Expired - Lifetime
- 1987-04-22 US US07/041,140 patent/US4772784A/en not_active Expired - Lifetime
- 1987-04-22 EP EP87303534A patent/EP0243170B1/en not_active Expired - Lifetime
-
1995
- 1995-01-11 SG SG3995A patent/SG3995G/en unknown
- 1995-07-20 HK HK119395A patent/HK119395A/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029755A1 (en) * | 1979-11-21 | 1981-06-03 | Thomson-Csf | Stigmatic optical device for transmission/reception of coherent radiation and an optical read/write head including such a device |
GB2165694A (en) * | 1984-10-16 | 1986-04-16 | Sony Corp | Semiconductor laser devices |
Non-Patent Citations (3)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 20, no. 5, October 1977, pages 2089-2090, New York, US; J.D. CROW: "Integral source/receiver package for optical data" * |
PATENT ABSTRACTS OF JAPAN, vol. 5, no. 163 (E-78)[835], 20th October 1981, page 152 E 78; & JP-A-56 093 388 (MATSUSHITA DENKI SANGYO K.K.) 28-07-1981 * |
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 106 (E-313)[1829], 10th May 1985; & JP-A-59 232 477 (NIPPON DENSHIN DENWA KOSHA) 27-12-1984 * |
Also Published As
Publication number | Publication date |
---|---|
EP0243170A2 (en) | 1987-10-28 |
HK119395A (en) | 1995-07-28 |
SG3995G (en) | 1995-06-16 |
EP0243170B1 (en) | 1992-01-22 |
KR950001875B1 (en) | 1995-03-04 |
KR870010502A (en) | 1987-11-30 |
CA1277406C (en) | 1990-12-04 |
JPH0719394B2 (en) | 1995-03-06 |
US4772784A (en) | 1988-09-20 |
JPS62250528A (en) | 1987-10-31 |
DE3776186D1 (en) | 1992-03-05 |
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